Newton's Laws & Weight Review

150 kg bag of sand has a weight of 300 N sits on the floor. What is the Normal Force acting on the bag of sand?

• 150 N

• 2 N

• 300 N

• 450 N

Tags

NGSS.MS-PS2-2

What is the mass of an object that is experiencing a net force of 200 N and an acceleration of 10 m/s^2?

• 2 kg

• 20 kg

• 200 kg

• 2000 kg

Tags

NGSS.MS-PS2-2

What is the reaction of a hammer hits a nail?

• Nail hits hammer with greater and opposite force

• Hammer bends the nail

• Nail hits hammer with equal and opposite force

• Nail hits hammer with less and opposite force

Tags

NGSS.MS-PS2-1

What's the reaction to the Earth's gravity pulls down on you?

• You pull up on the Earth with less force

• You pull up on the Earth with equal force

• You pull up on the Earth with greater force

• There is no reaction force because the Earth is much more massive than you

Tags

NGSS.MS-PS2-1

Which exerts more force? Earth pulling on the Moon or the Moon pulling on the Earth?

• Earth pulling on the Moon

• Moon pulling on the Earth

• They pull on each other with the exact same amount of force

• The Moon doesn't pull on the Earth

Tags

NGSS.MS-PS2-1

An astronaut in his space suit will weigh about 1,500 N on Earth. How will he weigh on Mars where gravity is about 38% of Earth's gravity?

• He will weigh less

• He will weigh the same

• He will weigh more

• His weight isn't affected by gravity

An astronaut in his space suit will weigh about 1,500 N on Earth. How will his mass change on Mars where gravity is about 38% of Earth's gravity?

• His mass will be less

• His mass will be the same

• His mass will be more

• His weight won't change but his mass will

If the man pushes with an equal amount of force, which object will accelerate more?

• Car because it has more mass

• Lawnmower because it has less mass

• Car because it has less mass

• Lawnmower because it has more mass

Tags

NGSS.MS-PS2-2

An 10 kg object is moving with an acceleration of 2 m/s squared. What is the force of the object? (F=ma)

• 20 N

• 10 N

• 2 N

• 5 N

Tags

NGSS.MS-PS2-2

A force of 90N is applied to each cart below, which one will accelerate the fastest?

• Cart 1
• Cart 2
• Cart 3 
• Cart 4

Tags

NGSS.MS-PS2-2